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rcu: Fix rcu_lock_map build failure on CONFIG_PROVE_LOCKING=y 

Move the rcu_lock_map definition from rcutree.c to rcupdate.c so that
TINY_RCU can use lockdep.

Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Paul E. McKenney 2009-09-23 16:18:13 -07:00 committed by Ingo Molnar
parent 9b2619aff0
commit 162cc2794d
2 changed files with 7 additions and 7 deletions
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7
kernel/rcupdate.c
View File

@ -46,6 +46,13 @@
#include <linux/module.h>
#include <linux/kernel_stat.h>
#ifdef CONFIG_DEBUG_LOCK_ALLOC
static struct lock_class_key rcu_lock_key;
struct lockdep_map rcu_lock_map =
STATIC_LOCKDEP_MAP_INIT("rcu_read_lock", &rcu_lock_key);
EXPORT_SYMBOL_GPL(rcu_lock_map);
#endif
enum rcu_barrier {
RCU_BARRIER_STD,
RCU_BARRIER_BH,

7
kernel/rcutree.c
View File

@ -49,13 +49,6 @@
#include "rcutree.h"
#ifdef CONFIG_DEBUG_LOCK_ALLOC
static struct lock_class_key rcu_lock_key;
struct lockdep_map rcu_lock_map =
STATIC_LOCKDEP_MAP_INIT("rcu_read_lock", &rcu_lock_key);
EXPORT_SYMBOL_GPL(rcu_lock_map);
#endif
/* Data structures. */
#define RCU_STATE_INITIALIZER(name) { \